This Wilkin County site became a preserve in 1973 when The Nature Conservancy (TNC) purchased 160 acres from Anna Gronseth. The intent of the purchase was to protect a booming ground of the greater prairie chicken, a species of special concern in Minnesota. TNC expanded the preserve at least seven times with additional land purchases over the next 26 years. Anna Gronseth Prairie is now 1,299 acres of mostly wet prairie with a few pockets of calcareous fen.
Visitors this week (6/28 to 7/4/2015) will find Canada anemone, mountain death camas, and prairie turnip at their peak, and golden ragwort, pale agoseris, and silverweed also blooming. If you are planning a visit, waterproof footwear is recommended.